Finding the Fourth Proportional to 31,391.48, 43,322.37 and 17,244.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,391.48 : 43,322.37 = 17,244.47 : x
2. Step 2: Convert to fraction form
   31,391.48/43,322.37 = 17,244.47/x
3. Step 3: Cross multiply
   31,391.48x = 43,322.37 × 17,244.47
4. Step 4: Simplify right side
   31,391.48x = 747,071,353.43
5. Step 5: Solve for x
   x = 747,071,353.43/31,391.48
6. Step 6: Final answer
   x = 23,798.54